81754680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97327}}^1$

素因数の和:97348

約数の個数: 64

約数和(自身を含む): 280304640

約数和(自身を除く): 198549960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 97327, 194654, 291981, 389308, 486635, 583962, 681289, 778616, 973270, 1167924, 1362578, 1459905, 1946540, 2043867, 2335848, 2725156, 2919810, 3406445, 3893080, 4087734, 5450312, 5839620, 6812890, 8175468, 10219335, 11679240, 13625780, 16350936, 20438670, 27251560, 40877340, 81754680]

約数ペア:

[(1, 81754680), (2, 40877340), (3, 27251560), (4, 20438670), (5, 16350936), (6, 13625780), (7, 11679240), (8, 10219335), (10, 8175468), (12, 6812890), (14, 5839620), (15, 5450312), (20, 4087734), (21, 3893080), (24, 3406445), (28, 2919810), (30, 2725156), (35, 2335848), (40, 2043867), (42, 1946540), (56, 1459905), (60, 1362578), (70, 1167924), (84, 973270), (105, 778616), (120, 681289), (140, 583962), (168, 486635), (210, 389308), (280, 291981), (420, 194654), (840, 97327)]